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IELTS BNC: 5051 COCA: 4899

bolt

Word family 
Related topics: Household, Technology, Daily life, Weapons, Material & textiles
bolt1 /bəʊlt $ boʊlt/ ●●○ noun [countableC]  
1. lock 锁DH a metal bar that you slide across a door or window to fasten it 〔门、窗的〕金属插销，闩 →4  See picture of 见图 LOCK 2 →5 see picture at 见图 lock2
2. bolt.jpg screw 螺钉TD a screw with a flat head and no point, for fastening things together 螺栓 →5 see picture at 见图 screw1
3  a bolt from/out of the blue EXPECTnews that is sudden and unexpected 突如其来的消息；晴天霹雳
 Was this money a bolt from the blue or did you know you were going to get it?
这是一笔意料之财呢，还是你本来就知道会有的？
Examples from the Corpus
a bolt from/out of the blue• Even so, dismissal should never come as a bolt from the blue, however exalted your place in the corporate hierarchy.• The Mishcon job came like a bolt from the blue.• Inspiration hit me like a bolt from the blue on the way home.
4  bolt of lightning DNlightning that appears as a white line in the sky 闪电，霹雳
 There’s not much left of his house after it was struck by a bolt of lightning.
他的房子遭雷击之后差不多全毁了。
→ thunderbolt
Examples from the Corpus
bolt of lightning• Atop a mountain he slew his daughter, then was im-mediately struck dead by a bolt of lightning.• But then he also once dodged a bolt of lightning.• It was like a bolt of lightning knocked me out of bed and threw me to the floor.• Her thoughts crystallised with the suddenness of a bolt of lightning.• A bolt of lightning ripped it open, and the light was followed closely by a deep rumble of thunder.• Another bolt of lightning struck behind him, and Eugene felt the air seared into ozone on either side of him.• A few bolts of lightning and clouds of smoke later, Turbo was born!
5  make a bolt for it British EnglishBrEESCAPE to suddenly try to escape from somewhere 急忙逃跑，拔腿便跑
 They attacked the driver and he straightaway made a bolt for it.
他们袭击司机，司机立刻没命地逃跑。
6. weapon 武器PMW a short heavy arrow that is fired from a crossbow 〔短而粗的〕弩箭，矢
7. cloth 布TIM a large long roll of cloth 一卷，一匹
→ have shot your bolt at shoot1(24), → the nuts and bolts of something at nut1(6)
Examples from the Corpus
bolt• Atop a mountain he slew his daughter, then was immediately struck dead by a bolt of lightning.• One spring morning two anchor bolts were inserted in the footings that were to receive the first steel column.• There was a sound of soft footsteps, of chains being loosened and bolts drawn back.• The skies darkened and lightning bolts split the sky.• He went around for about ten months with this big metal bolt going in here and coming out here!• Respect established climbing traditions in ethical matters such as the use of chalk, pitons, bolts etc.• Investigators could not check the bolts because they had fallen into the sea.
Related topics: Food, Household
bolt2 ●○○ verb  
1  [intransitiveI] to suddenly run somewhere very quickly, especially in order to escape or because you are frightened 奔，窜
 The horse reared up and bolted.
马抬起前腿狂奔起来。
 Kevin had bolted through the open window.
凯文从开着的窗子窜了出去。
► see thesaurus at run
2  [transitiveT] (also bolt down)DF to eat very quickly 狼吞虎咽 SYN gobble
 He bolted down his breakfast.
他狼吞虎咽地吃早餐。
3  JOIN something TOGETHER[transitiveT] to fasten two things together using a bolt 用螺栓扣住
bolt something to something
 The cell contained an iron bedframe bolted to the floor.
牢房里有一张用螺栓固定在地板上的铁床架。
bolt something together
 The boxes were made of heavy panels of metal bolted together.
这些箱子是用厚重的金属板钉起来的。
→5 see picture at 见图 fasten
4. [transitiveT]DH to lock a door or window by sliding a bolt across 闩上，插上〔门或窗〕
Examples from the Corpus
bolt• One of the horses got into a panic and bolted.• When police approached him to ask him some questions, he bolted.• My husband always bolts all the doors before going to bed.• I bolted down my breakfast and was out the door by 8:00.• He was whisked away as his audience bolted for the exits.• Suddenly a fox bolted from beneath a hedge.• His brutish, stupid face was blotchy with fear now and his eyes were bolting from his head.• The dog bolted into the road, into the oncoming traffic.• Louie wailed, bolting off the steps into his house.• A low hissing filled the room as she bolted out and slammed the door.• Before I could say a word, she turned and bolted out the front door.• All the doors were locked and bolted so I climbed out through the kitchen window and dropped into a bed of lavender.• Jason bolted the door and closed all the curtains.• Rules and codes bolting the social structure tightly into place.• A thin steel cord was bolted to the beam that supported the boxcar roof.
bolt something to something• A wrought-iron bench was bolted to the patio.
bolt3 adverbadv  
sit/stand bolt upright SITSTANDto sit or stand with your back very straight, often because something has frightened you 〔常因受到惊吓〕挺直地坐着/站着
 She sat bolt upright in the back seat.
她直直地坐在后座上。
Examples from the Corpus
sit/stand bolt upright• She sat bolt upright, aches and pains quite forgotten.• He sat bolt upright and kept his eyes on the table in front of him.• Suddenly I sit bolt upright, feeling a familiar stab of panic that can mean only one thing: the videos!• She sat bolt upright; her features were strong, her manna forthright, even aggressive.• I walked across her line of vision and she sat bolt upright in annoyance.• We found her sitting bolt upright in bed with all the lights on.• She sat bolt upright in the back seat during the hour long journey, some of which was on a motorway.• Hotspur sat bolt upright in the saddle, his eyes narrowed on the hurtling horsemen, and never moved a hand.• Suddenly, Urquhart stood bolt upright, not twenty yards in front of the deer which froze in confusion.
Examples from the Corpus
bolt• He sat bolt upright and kept his eyes on the table in front of him.• Suddenly I sit bolt upright, feeling a familiar stab of panic that can mean only one thing: the videos!
From Longman Business Dictionary
boltbolt /bəʊltboʊlt/ noun [countableC]
MANUFACTURING a large roll containing many metres of cloth
Origin bolt1
Old English “short arrow”
bolt1 nounbolt2 verbbolt3 adverbadv
Chinese
Corpus

See also: ldoce4281jpg

IELTS BNC: 5051 COCA: 4899
bolt

noun¹

 1for fastening things together螺栓VERB + BOLT | PHRASES VERB + BOLT➤tighten, tighten up上緊螺栓➤loosen鬆開螺栓▸➤remove, undo, unscrew卸掉／擰開／旋出螺栓PHRASES➤nuts and bolts基本要點
bolt

noun²

 2for fastening a door門閂VERB + BOLT➤draw back, pull back, slide back拉開門閂▸➤push home, slide home插好門閂◇She closed the door quickly and pushed the bolts home.她快速關上門，插上門閂。
bolt

verb

ADVERB | PREPOSITION ADVERB➤firmly, securely用螺栓緊緊固定住◇Make sure that the rails are securely bolted in place.務必確保欄杆都固定住了。➤together用螺栓固定在一起◇The two parts are bolted together.這兩部份用螺栓固定在一起。PREPOSITION➤to用螺栓固定在⋯上◇The yacht's keel is bolted to the hull.遊艇的龍骨用螺栓固定在船身上。
IELTS BNC: 5051 COCA: 4899
bolt verb
⇨ close 1 (bolt the door) ⇨ flee (a horse bolts)
IELTS BNC: 5051 COCA: 4899

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